psutil (python system and process utilities) is a cross-platform library
for retrieving information on running processes and system utilization
(CPU, memory, disks, network) in Python. It is useful mainly for system
monitoring, profiling and limiting process resources and management of
running processes. It implements many functionalities offered by command
line tools such as: ps, top, lsof, netstat, ifconfig, who, df, kill,
free, nice, ionice, iostat, iotop, uptime, pidof, tty, taskset, pmap.
